206238848955 has 16 divisors (see below), whose sum is σ = 330961341984. Its totient is φ = 109667658240.

The previous prime is 206238848951. The next prime is 206238848993. The reversal of 206238848955 is 559848832602.

It is a happy number.

It is not a de Polignac number, because 206238848955 - 2² = 206238848951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206238848951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20394436 + ... + 20404545.

It is an arithmetic number, because the mean of its divisors is an integer number (20685083874).

Almost surely, 2^206238848955 is an apocalyptic number.

206238848955 is a deficient number, since it is larger than the sum of its proper divisors (124722493029).

206238848955 is a wasteful number, since it uses less digits than its factorization.

206238848955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40799326.

The product of its (nonzero) digits is 33177600, while the sum is 60.

The spelling of 206238848955 in words is "two hundred six billion, two hundred thirty-eight million, eight hundred forty-eight thousand, nine hundred fifty-five".